constification

[exim.git] / src / src / routers / dnslookup.c

diff --git a/src/src/routers/dnslookup.c b/src/src/routers/dnslookup.c
index 9abdc81e55658818010a9fbeb7350bb5b31e9005..aa5b924c78c558c6f8b40adc042c87220d289022 100644 (file)
--- a/src/src/routers/dnslookup.c
+++ b/src/src/routers/dnslookup.c
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/src/routers/dnslookup.c,v 1.8 2005/09/19 18:00:47 fanf2 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2009 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 #include "../exim.h"
@@ -20,6 +18,10 @@ optionlist dnslookup_router_options[] = {
       (void *)(offsetof(dnslookup_router_options_block, check_secondary_mx)) },
   { "check_srv",          opt_stringptr,
       (void *)(offsetof(dnslookup_router_options_block, check_srv)) },
+  { "dnssec_request_domains",         opt_stringptr,
+      (void *)(offsetof(dnslookup_router_options_block, dnssec_request_domains)) },
+  { "dnssec_require_domains",         opt_stringptr,
+      (void *)(offsetof(dnslookup_router_options_block, dnssec_require_domains)) },
   { "mx_domains",         opt_stringptr,
       (void *)(offsetof(dnslookup_router_options_block, mx_domains)) },
   { "mx_fail_domains",    opt_stringptr,
@@ -55,7 +57,9 @@ dnslookup_router_options_block dnslookup_router_option_defaults = {
   NULL,            /* mx_domains */
   NULL,            /* mx_fail_domains */
   NULL,            /* srv_fail_domains */
-  NULL             /* check_srv */
+  NULL,            /* check_srv */
+  NULL,            /* dnssec_request_domains */
+  NULL             /* dnssec_require_domains */
 };
 
 
@@ -142,10 +146,10 @@ dnslookup_router_options_block *ob =
   (dnslookup_router_options_block *)(rblock->options_block);
 uschar *srv_service = NULL;
 uschar *widen = NULL;
-uschar *pre_widen = addr->domain;
-uschar *post_widen = NULL;
-uschar *fully_qualified_name;
-uschar *listptr;
+const uschar *pre_widen = addr->domain;
+const uschar *post_widen = NULL;
+const uschar *fully_qualified_name;
+const uschar *listptr;
 uschar widen_buffer[256];
 
 addr_new = addr_new;          /* Keep picky compilers happy */
@@ -262,8 +266,10 @@ for (;;)
     if (ob->search_parents) flags |= HOST_FIND_SEARCH_PARENTS;
     }
 
-  rc = host_find_bydns(&h, rblock->ignore_target_hosts, flags, srv_service,
-    ob->srv_fail_domains, ob->mx_fail_domains, &fully_qualified_name, &removed);
+  rc = host_find_bydns(&h, CUS rblock->ignore_target_hosts, flags, srv_service,
+    ob->srv_fail_domains, ob->mx_fail_domains,
+    ob->dnssec_request_domains, ob->dnssec_require_domains,
+    &fully_qualified_name, &removed);
   if (removed) setflag(addr, af_local_host_removed);
 
   /* If host found with only address records, test for the domain's being in
@@ -273,7 +279,8 @@ for (;;)
   if ((rc == HOST_FOUND || rc == HOST_FOUND_LOCAL) && h.mx < 0 &&
        ob->mx_domains != NULL)
     {
-    switch(match_isinlist(fully_qualified_name, &(ob->mx_domains), 0,
+    switch(match_isinlist(fully_qualified_name,
+          (const uschar **)&(ob->mx_domains), 0,
           &domainlist_anchor, addr->domain_cache, MCL_DOMAIN, TRUE, NULL))
       {
       case DEFER:
@@ -323,7 +330,7 @@ for (;;)
     else
       {
       addr->message = US"all relevant MX records point to non-existent hosts";
-      if (!allow_mx_to_ip && string_is_ip_address(h.name, NULL) > 0)
+      if (!allow_mx_to_ip && string_is_ip_address(h.name, NULL) != 0)
         {
         addr->user_message =
           string_sprintf("It appears that the DNS operator for %s\n"